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1984年9月3日到17日,中国水利学会泥沙专业委员会会同陕西、山西二省水利学会组织了流域水利水保措施减沙效益学术考察。参加考察的还有水利水电科学研究院泥沙研究所,清华大学水利系、水电部农水局水保处、西北水利科学研究所、中国科学院西北水土保持研究所、黄河水利委员会及陕西、山西有关地区等16个单位共26人。考察地点是:榆林、延安、山西的忻州、雁北地区的20多个小流域治理点和工矿区。考察的主要内容是:水利水保措施的减泥减沙效益、
From September 3 to September 17, 1984, the Sediment Specialized Committee of China Water Conservancy Society, together with Shanxi Province and Shanxi Provincial Institute of Water Resources, organized an academic study on sediment reduction benefits of water conservancy and soil conservation measures. Participate in the inspection are Institute of Sediment Research Institute of Water Conservancy and Hydropower, Tsinghua University, Department of Water Resources, Ministry of Water and Soil Conservation, Ministry of Water Resources, Northwest Institute of Hydraulic Research, Northwest Institute of Soil and Water Conservation, Chinese Academy of Sciences, the Yellow River Conservancy Commission and Shaanxi, Shanxi There are 26 persons in 16 units in the area concerned. The survey sites are: more than 20 small watershed management points and mining areas in Yulin, Yan’an, Shanxi Xinzhou and Yanbei areas. The main contents of the investigation are: the benefit of reducing the water and sediment by water conservancy and soil conservation measures,